I don't understand why a heroic version of the dungeon, with suitably downscaled rewards, isn't available at launch. (And, as ever, if you find content too easy, get you and your party to unequip some gear). Make the mythic version as hard as you like, that's of no relevance to me.
Blizzard probably wouldn't do this, but I had a thought. What if you activate hard mode, mess up the boss fight, and it locks all the players out of the rest of the dungeon for the week? I don't think they would do this, but it would definitely increase the stakes if you want to finish it on hard mode.
We figured out the last boss today. Here is a VoD of the kill!https://www.reddit.com/r/wow/comments/cb7th3/mechagon_hard_mode_completed/
This post was from a user who has deleted their account.
For tussle tonks just let the gnomercy charge at the announcer and it will knock him into the arena, drag him to a piston and he'll get stunned. kill the other bosses and you'll get Datemi un martello